Audio2000'S® wireless products, the AWM6012U system has been engineered to be dependable UHF system with a wide audio frequency range, high S/N ratio, and outstanding performance equal to that of any professional wireless systems costing much more. This is achieved through strict component selection and high quality circuit design. A delicately designed silence circuit eliminates static noise when the transmitters are either turned off or out of transmission range. An auto mute circuit is incorporated in these systems to effectively eliminate the popping noise when the switch is turned on or off. The 6012 microphone system is ideal for musician disc jockey (DJ); karaoke jockey (KJ); church; schools conference room karaoke at home, entertainment in genral.